Pondless Waterfall Question
i have a few questions regarding pondless watgerfalls. I have a 7'x14' area to work in which doesn't leave room for a stream but I believe there is enough room for a waterfall and the reservoir basin. I am not sure what size reservoir basin I need to dig though.
I intend on having 2 waterfalls. 1 Waterfall will be approx 3-4' high from the ground and the other one will be approximately half the height of the tallest but located on the opposite end of the mounded area. I know that I want the tallest waterfall to be 3ft wide and the other waterfall to be half the width at 18". I would like a very strong rushing water (Niagara falls lol) so I have read that I need to calculate the inches of spillway times 200gph to get that effect. This comes to 10,800 gallons per hour at 4ft of head (not counting fittings or piping)
So with knowing all that information, what size basin does a system like I have described require?
Thanks for you input.